21 South Park
Commercial in San Francisco, CA · 21 SOUTH PARK · 94107
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 81 (band B) |
| Site EUI | 21.0 kBtu/ft² |
| Source EUI | 55.9 kBtu/ft² |
| GHG emissions | 30 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 140,761 kWh |
| Natural gas | 409 therms |
| Gross floor area | 24,812 sq ft |
| Source record | sf:3775/042:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 81 | -2 | 21.0 kBtu/ft² | 30 tCO₂e |
| 2024 | 83 | +1 | 22.6 kBtu/ft² | 37 tCO₂e |
| 2023 | 82 | +6 | 25.1 kBtu/ft² | 41 tCO₂e |
| 2022 | 76 | 28.1 kBtu/ft² | 47 tCO₂e | |
| 2021 | — | 18.6 kBtu/ft² | 28 tCO₂e | |
| 2020 | — | 17.7 kBtu/ft² | 29 tCO₂e | |
| 2019 | 84 | -9 | 26.8 kBtu/ft² | 46 tCO₂e |
| 2018 | 93 | -4 | 16.8 kBtu/ft² | 28 tCO₂e |
| 2017 | 97 | -1 | 19.9 kBtu/ft² | 35 tCO₂e |
| 2016 | 98 | -1 | 17.7 kBtu/ft² | 36 tCO₂e |
| 2015 | 99 | ±0 | 16.0 kBtu/ft² | 30 tCO₂e |
| 2014 | 99 | 15.9 kBtu/ft² | 31 tCO₂e | |
| 2013 | — | — | — | |
| 2012 | — | — | — | |
| 2011 | — | — | — |
Compliance context
SF Environment Code Chapter 20
San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 21 SOUTH PARK
- City
- San Francisco
- State
- California
- ZIP
- 94107
- Coordinates
- 37.78174, -122.39310
Within ~1 km
Nearby benchmarked buildings
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- Lumina Ownersscore 100
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- At&T Parkscore —
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- China Basinscore —
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- 238 KING STscore —
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See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 21 South Park's energy grade?
21 South Park scores 81 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 21 South Park use?
Its 2025 site energy-use intensity was 21.0 kBtu/ft² (55.9 kBtu/ft² source) across 24,812 sq ft, including 140,761 kWh of electricity and 409 therms of natural gas.
What are 21 South Park's carbon emissions?
21 South Park reported 30 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 2025. San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Dataset updated . Source: Existing Buildings Energy Performance Ordinance disclosure, record sf:3775/042:2025.